Can I use Blender in a slow-motion video workflow?
You can import the movie into Blender and then export it with a different framerate using this technique:
1. Import the movie
Open up a &quot;Video Sequence Editor&quot; in a fresh Blender-scene. You should see something like  below:

Click on Add &gt; Movie and select the movie you want to convert. Make sure that the Blend-option (open the panel on the right with N) is set to Replace and Start Frame is 1 (see picture).
2. Export the movie
Then you go to Render Settings:

Make sure that you have selected the correct Resolution (the one of the video) and the slider is at 100%. Set the End Frame to the same as the Length of your video (seen in the picture 1 below Start Frame). Select the correct Frame Rate (24?) and the right format (I selected AVI Raw but it can be everything you like). Hit that Animation-button or Press Strg+F12 to render.
If you have any questions, feel free to ask.